Seat mounting bracket for a boat



FIG. 1 is a front elevational view of a seat mounting bracket for a boat, showing my new design;

FIG. 2 is a top plan view;

FIG. 3 is side elevational view;

FIG. 4 is a rear elevational view;

FIG. 5 is an elevational view, showing the side not shown in FIG. 3;

FIG. 6 is a bottom plan view; and

FIG. 7 is a perspective view thereof. 

The ornamental design for a seat mounting bracket for a boat, as shown and described. 